Originally Posted by
MDTyKe
Considering they've invested in this, I doubt they'll ever go back to visa-exemptions.
If you click on your link, scroll to the bottom, and click on private policy, you can see this:
Privacy policy in JAPANeVISA (including JAVES: JapanVisaExemptionSystem)
So, I think you are wrong to doubt that. Visa exemptions are seemingly going to be built into this system (maybe like K-ETA or ESTA)